Yes, changing line 3233 of the config.ini file to "force-opengl=true" results in the title bar and menu bar reveal and hide as expected; and no system panic.

I didn't think to include it earlier, but I also have stage manager enabled.

looks like this attachment upload may have failed:

some more logs from the same time span.

log files and system crash screenshot.

I confirmed this crash does not occur on the last game version I had been using (2.0.66).

Game crashes computer, forcing reboot:
1) 2.0.69 running on extended display ((KTC H27P22S), fullscreen, HDMI connection from Macbook Pro Max 16
2) OS 26.0.1
3) at any point during launch or gameplay
4) when mouse is moved to the top of the external display

Does not crash:
1) when launching or ...